Question

Find the 10th term of the geometric sequence 1, 3, 9, ...1,3,9,...

Answer 1

Assuming the sequence is 1, 3, 9, x, x, x, x, and not 1, 3, 9, 1, 3, 9, the 10th term would be 19683.

Explanation:

The pattern is to multiply each next term by 3.